CN111651082B - Touch screen unlocking method and device, electronic equipment and storage medium - Google Patents
Touch screen unlocking method and device, electronic equipment and storage medium Download PDFInfo
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- CN111651082B CN111651082B CN202010443260.1A CN202010443260A CN111651082B CN 111651082 B CN111651082 B CN 111651082B CN 202010443260 A CN202010443260 A CN 202010443260A CN 111651082 B CN111651082 B CN 111651082B
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- 238000007667 floating Methods 0.000 claims description 4
- 210000003811 finger Anatomy 0.000 description 34
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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Abstract
The disclosure relates to a touch screen unlocking method, which is applied to a mobile terminal comprising a touch screen, and comprises the following steps: scanning and detecting whether a suspension signal close to the touch body exists or not in a screen-off state; when the suspension signal indicating that the touch control body is close is detected, screen unlocking preparation is carried out, and whether fingerprints are acquired or not is scanned and detected; and when the fingerprint is acquired, unlocking operation is performed. The embodiment of the disclosure also discloses a touch unlocking device, a mobile terminal and a storage medium. The method provided by the embodiment of the disclosure can reduce fingerprint unlocking time and simplify user operation.
Description
Technical Field
The disclosure relates to the field of intelligent electronic equipment or fingerprint identification, in particular to a touch screen unlocking method and device, electronic equipment and a storage medium.
Background
With the rapid development of electronic devices, touch display screens, and the like, displaying fingerprint sensitivity, also called screen fingerprint (Fingerprint On Display, FOD), has become a standard for high-end electronic devices in various manufacturers. The electronic equipment with the screen fingerprint technology has good appearance integrity and attractive appearance, and brings a convenient experience mode for users.
However, the unlocking process by using the screen fingerprint is complex at present, and the unlocking can be performed only by clicking the screen for many times, so that the convenient operation of a user is not facilitated; in addition, in the unlocking process, a relatively large amount of time is consumed, and the problem of large unlocking delay is caused.
Disclosure of Invention
The disclosure provides a touch screen unlocking method, a touch screen unlocking device, a mobile terminal and a storage medium.
According to a first aspect of embodiments of the present disclosure, there is provided a method for unlocking a touch screen, which is applied to a mobile terminal including a touch screen, the method including:
scanning and detecting whether a suspension signal close to the touch body exists or not in a screen-off state;
when the suspension signal indicating that the touch control body is close is detected, screen unlocking preparation is carried out, and whether fingerprints are acquired or not is scanned and detected;
and when the fingerprint is acquired, unlocking operation is performed.
In the above scheme, when the suspension signal indicating that the touch body is close is detected, entering screen unlocking preparation comprises:
and when the suspension signal is detected, starting a fingerprint processing process, and performing unlocking preparation to an unlocking ready state.
In the above scheme, the method further comprises:
when the suspension signal is detected, a light spot of the fingerprint acquisition area is lightened; the light spots are used for prompting the position of the fingerprint acquisition area.
In the above-mentioned scheme, under the state of turning off the screen, scan detect have the suspension signal that the touch-control body is close, include:
scanning and detecting whether the suspension signal which is close to the touch body exists or not at the first scanning frequency in the screen-off state;
the scanning detects whether a fingerprint is acquired, including:
scanning and detecting whether fingerprints are acquired or not at a second scanning frequency;
the second sweep frequency is higher than the first sweep frequency.
In the above scheme, in the state of screen-off, scanning detects whether there is a suspension signal that the touch body is close to, includes:
scanning and detecting whether the suspension signal which is close to the touch body exists in a fingerprint scanning area in the screen-off state;
the scanning detects whether a fingerprint is acquired, including:
and scanning and detecting whether the fingerprint is acquired in the fingerprint scanning area.
In the above scheme, the method further comprises:
when the suspension signal indicating that the touch control body is close is detected, judging whether the suspension signal meets the finger suspension signal characteristic or not;
and executing the step of entering screen unlocking preparation and scanning and detecting whether the fingerprint is acquired or not if the finger suspension signal characteristic is met.
According to a second aspect of embodiments of the present disclosure, there is provided a touch screen unlocking device applied to a mobile terminal including a touch screen, the device including:
the detection module scans and detects whether a suspension signal close to the touch body exists or not in a screen-off state;
the processing module enters screen unlocking preparation when detecting the suspension signal indicating that the touch control body is close, and scans and detects whether fingerprints are acquired;
the processing module is also used for unlocking when the fingerprint is acquired.
In the above scheme, the processing module is configured to start a fingerprint processing process when the suspension signal is detected, and perform unlocking preparation to an unlocking ready state.
In the above scheme, the processing module is configured to light a light spot in the fingerprint acquisition area when the suspension signal is detected; the light spots are used for prompting the position of the fingerprint acquisition area.
In the above scheme, the detection module is configured to scan and detect whether the suspension signal approaching the touch body is present at a first scanning frequency in the screen-off state;
the processing module is used for scanning and detecting whether fingerprints are acquired or not at a second scanning frequency;
The second sweep frequency is higher than the first sweep frequency.
In the above scheme, the detection module is configured to scan whether the suspension signal that the touch object approaches exists in the fingerprint scanning area in the screen-off state;
the processing module is used for scanning whether the fingerprint is acquired in the fingerprint area.
In the above scheme, the processing module is configured to determine, when the suspension signal indicating that the touch object is close is detected, whether the suspension signal meets a finger suspension signal characteristic;
and if the characteristic of the finger suspension signal is met, executing the step of entering screen unlocking preparation and scanning and detecting whether the fingerprint is acquired by the user.
According to a third aspect of embodiments of the present disclosure, there is provided a mobile terminal, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to: and when the executable instruction is executed, the touch screen unlocking method disclosed by any embodiment of the disclosure is realized.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a computer readable storage medium, wherein the readable storage medium stores an executable program, and the executable program when executed by a processor implements the method for unlocking a touch screen according to any embodiment of the present disclosure.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
in the embodiment of the disclosure, whether a suspension signal close to a touch body exists or not is detected by scanning in a screen-off state; when the suspension signal indicating that the touch control body is close is detected, screen unlocking preparation is carried out, and whether fingerprints are acquired or not is scanned and detected; and when the fingerprint is acquired, unlocking operation is performed. Thus, in the embodiment of the present disclosure, when the touch body has not touched the touch screen, the mobile terminal may be awakened in advance, enter into the screen to prepare for unlocking, and scan and detect whether a fingerprint is acquired; compared with the prior art, the mobile terminal can be awakened after the touch control body contacts the touch control screen, so that the time for the touch control body to contact the touch control screen is saved, and the fingerprint unlocking time can be shortened.
Moreover, the embodiment of the disclosure can enter screen unlocking preparation when the suspension signal does not contact the touch control body, and scan and detect whether the fingerprint is acquired or not, and the screen unlocking preparation can be entered without the touch control body contacting the touch control screen, so that the operation of a user using the touch control body to touch the touch control screen once can be reduced, the user operation can be simplified, and the user experience can be improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flowchart illustrating a method of unlocking a touch screen according to an exemplary embodiment.
Fig. 2 is a schematic diagram of a fingerprint acquisition area shown in accordance with an exemplary embodiment.
Fig. 3 is a schematic diagram illustrating one type of detection of a hover signal according to an exemplary embodiment.
Fig. 4 is a schematic diagram of a finger touch screen according to an exemplary embodiment.
Fig. 5 is a flowchart illustrating a method of unlocking a touch screen according to an exemplary embodiment.
Fig. 6 is a flowchart illustrating a method of unlocking a touch screen according to an exemplary embodiment.
Fig. 7 is a block diagram illustrating a touch screen unlocking device according to an example embodiment.
Fig. 8 is a block diagram of a mobile terminal according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
Fig. 1 is a flowchart illustrating unlocking of a touch screen according to an exemplary embodiment, and the method includes the following steps as shown in fig. 1.
Step S11, scanning and detecting whether a suspension signal of the touch body approaching exists in a screen-off state;
step S13, when the suspension signal indicating that the touch body is close is detected, screen unlocking preparation is carried out, and whether fingerprints are acquired or not is scanned and detected;
and S15, when the fingerprint is acquired, unlocking operation is carried out.
The method disclosed by the embodiment of the disclosure is applied to the mobile terminal comprising the touch screen. Here, the mobile terminal may be a mobile phone, a tablet computer, a wearable device, an intelligent device, or the like. The wearable device can be a smart watch or a smart bracelet.
Here, the touch body includes, but is not limited to, one of: finger and touch pen.
Here, the hover signal is a signal generated based on hover touch; wherein, the suspension touch is: the touch control body is suspended on the surface of the touch control body and does not contact a triggering mode for triggering the touch control screen to generate signals.
In an embodiment, the suspension signal that the touch object is detected to be close to is: the distance between the touch body and the touch screen is smaller than a first distance threshold and larger than 0.
In an embodiment, the first distance threshold may be 1 cm, 2 cm, or 3 cm. The first distance threshold here may depend on the sensitivity of the hover touch of the touch screen.
For example, taking the touch screen as a capacitive screen, when a finger or a stylus of a human body approaches the capacitive screen, the finger or the stylus is coupled with a capacitor in the capacitive screen, and the capacitance value is changed so as to generate the suspension touch signal.
In one embodiment, the step S11 includes:
and in the screen-off state, scanning and detecting whether the suspension signal of the touch control body is close or not based on the suspension detection function of the touch control screen.
In some embodiments, the step S15 includes:
and unlocking and lighting the whole touch screen when the legal fingerprint is acquired.
In an embodiment, the legal fingerprint is a fingerprint that can successfully unlock the touch screen.
Here, the legal fingerprint is a fingerprint which is input into the mobile terminal in advance and used for unlocking and comparing the touch screen.
In practical application, the fingerprint of the index finger of the mobile terminal holder can be pre-recorded as the legal fingerprint. Alternatively, the index finger print of the user of the mobile terminal holder may be entered in advance, and the index finger print of the user having a social relationship with the holder may be acquired together as the legal fingerprint.
Here, the social relationship may be a family relationship, a relative relationship, a friend relationship, or the like.
In the embodiment of the disclosure, when the touch body does not touch the touch screen yet, the mobile terminal can be awakened in advance, enter a screen to prepare for unlocking, and scan and detect whether fingerprints are acquired; compared with the prior art, the mobile terminal can be awakened after the touch control body contacts the touch control screen, so that the time for the touch control body to contact the touch control screen is saved, and the fingerprint unlocking time can be shortened.
Moreover, the embodiment of the disclosure can enter screen unlocking preparation when the suspension signal does not contact the touch control body, and scan and detect whether the fingerprint is acquired or not, and the screen unlocking preparation can be entered without the touch control body contacting the touch control screen, so that the operation of a user using the touch control body to touch the touch control screen once can be reduced, the user operation can be simplified, and the user experience can be improved.
In some embodiments, the entering screen unlock preparation when detecting the hover signal indicating that the touch object is approaching includes:
and when the suspension signal is detected, starting a fingerprint processing process, and performing unlocking preparation to an unlocking ready state.
Here, the ready state is a ready state of fingerprint acquisition.
For example, in an application scenario, when the touch chip of the mobile terminal detects the suspension signal, a fingerprint processing process is started. And in the starting state of the fingerprint processing process, the mobile terminal performs unlocking preparation until the ready state of fingerprint acquisition.
In the embodiment of the disclosure, when the suspension signal is detected, a fingerprint processing process can be started in advance; compared with the prior art, the method can enter a ready state of screen unlocking preparation or fingerprint acquisition in advance; therefore, the fingerprint unlocking time can be reduced, and the user experience is improved.
In other embodiments, the method further comprises:
when the suspension signal is detected, a light spot of the fingerprint acquisition area is lightened; the light spots are used for prompting the position of the fingerprint acquisition area.
Here, the fingerprint collection area may be any area of the touch screen. For example, the fingerprint acquisition area may be an area where a HOME (HOME) key of the mobile terminal is located. As another example, the fingerprint collection area may be a middle area of the touch screen, or the like. For another example, if full-screen fingerprint acquisition, the fingerprint acquisition area may be the entire touch screen.
As shown in fig. 2, a schematic diagram of a fingerprint acquisition area is shown; wherein HOME area 101 of handset 10 is the fingerprint acquisition area. For example, the fingerprint acquisition area 101 may be illuminated when there is a hover signal within a distance above the fingerprint acquisition area 101.
In the embodiment of the disclosure, when the touch control body does not touch the touch control screen yet, the light spots of the fingerprint acquisition area of the mobile terminal can be lightened in advance; compared with the prior art, the method has the advantages that the time for the touch body to contact the touch screen is saved for the moment that the touch body contacts the light spot of the fingerprint acquisition area of the touch screen can be lightened, and therefore fingerprint unlocking time can be shortened.
Moreover, as the embodiment of the disclosure can lighten the light spot of the fingerprint acquisition area of the touch screen when the suspension signal contacts the touch screen, the touch screen is not required to be contacted by the touch screen to lighten the fingerprint acquisition area, so that the operation of touching the touch screen by a user by using the touch screen once can be reduced, and the user operation can be simplified; and moreover, the touch screen can be lightened in advance, so that the user experience is improved.
In the embodiment of the disclosure, the light spot can prompt the position of the fingerprint acquisition area, so that a user can be prompted to input the fingerprint in which area of the touch screen, and the satisfaction degree of user experience can be further improved.
Here, the fingerprint acquisition area may be one or more.
In some embodiments, the touch screen includes a plurality of fingerprint acquisition areas therein;
the step S13 includes:
and when the suspension signal indicating that the touch object is close is detected, selecting a spot of the fingerprint acquisition area closest to the position from a plurality of spots of the fingerprint acquisition area to light based on the position, which is determined by the suspension signal, of the touch object.
In this way, in the embodiment of the present disclosure, a fingerprint acquisition area closest to the position where the touch body determined by the suspension signal approaches may be lit up, so that subsequent fingerprint acquisition operations of a user may be further facilitated; and, can also reduce the time delay between lighting fingerprint collection area to gathering the fingerprint to can further reduce the unblock time.
In some embodiments, the illuminating the spot of the fingerprint acquisition area when the hover signal is detected comprises:
when the suspension signal is detected, the touch chip of the touch screen sends the suspension signal to an application processor;
and when the application processor receives the suspension signal, the application processor lightens the light spot of the fingerprint acquisition area of the touch screen.
Here, the application processor may be a large-scale integrated circuit, or a chip having operation and control functions, or the like.
For example, in one embodiment, the illuminating the spot of the fingerprint acquisition area when the hover signal is detected includes:
when the suspension signal is detected, a touch chip of the touch screen sends the suspension signal to an AP end;
and lighting the light spot of the fingerprint acquisition area by using the AP end.
Here, the AP side may be a central processing unit (Central Processing Unit, CPU). For example, the AP end is a CPU on the mobile phone, and is used to run an Android (Android) system.
Here, the AP side may also be an application processor (Application Processor, AP).
In the embodiment of the disclosure, when the touch chip detects the suspension signal, the suspension signal may be directly sent to an application processor or an AP end of the mobile terminal, so that the application processor or the AP end directly lights the light spot of the fingerprint acquisition area. Thus, the embodiment of the disclosure can calculate the actual coordinates of the touch body without a touch chip; on the one hand, the calculation amount of the mobile terminal is reduced, and the execution steps of the mobile terminal are reduced; on the other hand, the light spot of the fingerprint acquisition area can be lightened in advance.
Of course, in other embodiments, the fingerprint acquisition area may be illuminated when the hover signal is detected.
In some embodiments, when the suspension signal is detected, a fingerprint processing process is started, and unlocking preparation is performed to an unlocking ready state, including:
the application processor also enters a ready state of fingerprint acquisition after receiving the suspension signal;
in the ready state of fingerprint collection, the fingerprint collection area collects fingerprints.
Here, the collected fingerprint may be a legal fingerprint or an illegal fingerprint. Here, the legal fingerprint is a fingerprint for fingerprint unlocking; the illegal fingerprint is a fingerprint which is not used for fingerprint unlocking. For example, when a preset fingerprint for unlocking a mobile terminal is the index finger of the mobile terminal holder, the index finger of the holder is a legal fingerprint, and the thumb fingerprint of the holder or the fingerprints of other users are illegal fingerprints.
In the embodiment of the disclosure, after receiving the suspension signal, the application processor controls the mobile terminal to enter a ready state for fingerprint acquisition; thus, in this ready state, the mobile terminal captures a fingerprint in the illuminated fingerprint capture area. When the acquired fingerprint is legal, unlocking and lighting the touch screen; and when the acquired fingerprint is an illegal fingerprint, the touch screen is not unlocked.
In practical application, as shown in fig. 3, in the mobile terminal, when a finger is close to the touch screen, a coupling capacitor is formed between the finger and the touch screen; the closer the distance between the finger and the touch screen is, the larger the electric signal generated by the coupling capacitor is. For example, when the distance between the finger and the touch screen is smaller than a first distance threshold, a capacitance signal generated by the capacitance is larger than a first signal threshold; when the distance between the finger and the touch screen is greater than the first distance threshold, the signal generated by the capacitor is smaller than the first signal threshold. The suspension touch is a touch in which a touch body is suspended on the surface of the touch screen and is not in direct contact with the touch screen.
As shown in fig. 4, when the mobile terminal starts the screen fingerprint technology, a Touch chip (Touch IC) of a Touch screen of the mobile terminal also starts the hover detection function. In the screen-off state, if the distance between the finger and the touch screen is smaller than the first distance threshold, the mobile terminal detects that a suspension signal exists in a fingerprint acquisition area of the mobile terminal, the touch chip sends the suspension signal to an application processor, and the mobile terminal enters a fingerprint unlocking ready state; and if the fingerprint acquired by the fingerprint acquisition area is detected to be legal, the touch screen is lightened and unlocked.
Thus, in the embodiment of the present disclosure, the suspension signal may be detected by using the touch chip, and the suspension signal may be sent to the application processor in advance, so that when a valid fingerprint exists in the fingerprint acquisition area, the touch screen may be turned on and unlocked. Therefore, the touch screen can be unlocked and lightened through one touch operation, and fingerprint unlocking operation is performed after the touch screen is lightened without additionally adding one touch operation; compared with the prior art, the actual coordinates of a touch body such as a finger are calculated without a touch chip of a touch screen. Therefore, on one hand, the operation of a user can be simplified, and the user experience is improved; on the other hand, the time for unlocking the fingerprint can be saved.
In some embodiments, the method further comprises:
when the suspension signal indicating that the touch control body is close is detected, judging whether the suspension signal meets the finger suspension signal characteristic or not;
and executing the step of entering screen unlocking preparation and scanning and detecting whether the fingerprint is acquired or not if the finger suspension signal characteristic is met.
Here, the hover signal satisfies finger hover signal characteristics including, but not limited to, at least one of:
The area of the suspension signal meets the area of the finger suspension signal;
the pressure of the suspension signal meets the pressure of the finger suspension signal;
the electrical signal strength based on the hover signal meets the electrical signal strength of the finger hover signal.
In the embodiment of the disclosure, the step of entering screen unlocking preparation and scanning to detect whether the fingerprint is acquired is performed only when a hover signal satisfying the finger hover signal characteristic is detected. Therefore, the situation that the mobile terminal is prepared for unlocking the screen in advance and/or the step of scanning and detecting whether the fingerprint is acquired or not due to false touch can be reduced, and resources such as electric quantity of the mobile terminal can be saved. For example, when the mobile terminal is placed in a pocket or a bag of a user, other contact objects of the pocket or the bag, such as a key, etc., can be reduced, and a situation that a screen unlocking state is brought about due to a suspension signal generated on a touch screen of the mobile terminal occurs.
In other embodiments, the method further comprises:
when the suspension signal indicating that the touch control body is close is detected, judging whether the suspension signal is a suspension signal in a specific direction or not;
if yes, executing the screen unlocking preparation, and scanning and detecting whether the fingerprint is acquired.
In an embodiment, the application processor further enters a ready state for fingerprint acquisition after receiving the suspension signal, and further comprises:
the application processor also enters a ready state for fingerprint acquisition after receiving the hover signal for a particular orientation.
Here, the specific orientation may be an orientation toward the left, right, middle, etc. of the touch screen. The specific orientation may also be the orientation of the touch screen in the northwest direction, the southeast direction, etc. The specific orientation may also be an orientation at an angle to the center line of the touch screen, for example, an orientation of 50 degrees. In general, the specific orientation may be any parameter related to orientation, direction, angle, etc., and is not limited herein.
In the embodiment of the disclosure, the habit problem of the user is considered when the touch control body approaches to the suspension signal towards the specific direction by detecting; for example, users are accustomed to accessing the touch screen with a finger from the northwest direction in preparation for unlocking the touch screen; if the detected suspension signal is a suspension signal approaching to the northwest direction, the touch screen can be enabled to enter a ready state for fingerprint acquisition, and unlocking of the touch screen is facilitated. In this way, in the embodiment of the present disclosure, the situation that a user other than the mobile terminal holder enters a ready state for fingerprint acquisition based on different habits of operating the touch screen to unlock may be reduced, so that the security of unlocking the touch screen may be improved. Moreover, when the suspension signal is detected without unlocking, the condition that the touch screen enters the ready state of fingerprint acquisition can be reduced, and the fingerprint acquisition in the ready state of fingerprint acquisition is not required to be triggered, so that the resource can be further saved.
If the detected suspension signal is not a suspension signal with a specific azimuth, the touch screen cannot enter a ready state for fingerprint acquisition; therefore, the fingerprint acquisition area of the touch screen is not lightened, and the touch screen can be saved.
In practical application, when a user does not operate the touch screen for a long time, if the touch screen of the mobile terminal always keeps higher scanning frequency to detect the suspension signal, unnecessary power consumption is brought. Therefore, in order to save power consumption, the touch screen can detect the floating signal at a lower scanning frequency.
For example, as shown in fig. 5, in some embodiments, the step S11 includes:
step S111, scanning and detecting whether the suspension signal which is close to the touch body exists or not at a first scanning frequency in the screen-off state;
the scanning detects whether a fingerprint is acquired, including:
scanning and detecting whether fingerprints are acquired or not at a second scanning frequency;
the second sweep frequency is higher than the first sweep frequency.
Here, if the power consumption of the mobile terminal corresponding to the first scanning frequency is the first power consumption, the power consumption of the mobile terminal corresponding to the second scanning frequency is the second power consumption; the first power consumption is smaller than the second power consumption.
In the embodiment of the disclosure, in a screen-off state, the touch screen may scan at a relatively low scanning frequency, that is, a first scanning frequency, so as to detect whether the touch screen has a suspension signal; when the hover signal is detected, the fingerprint is acquired by scanning at a relatively high scanning frequency, i.e., a second scanning frequency. Thus, the embodiment of the disclosure can enter the ready state of fingerprint acquisition through the suspension signal in advance, and can also save the power consumption of the mobile terminal.
Of course, in other embodiments, the method further comprises: when the fingerprint acquisition area is not lit up, the fingerprint acquisition area does not scan the fingerprint scanning area to acquire a fingerprint.
In an application scenario, if the touch screen does not detect a hover signal, it is determined that the fingerprint acquisition area is not illuminated.
In another application scenario, if the hover signal detected by the touch screen is not a hover signal from a specific orientation, it is determined that the fingerprint acquisition area is not illuminated.
In yet another application scenario, if the fingerprint acquisition area is extinguished after the fingerprint acquisition area is lit for a predetermined time.
In these application scenarios, the fingerprint collection area is not illuminated, and the fingerprint collection area does not scan the fingerprint scanning area to collect a fingerprint. Thus, the embodiment of the disclosure can reduce the occurrence of the situation that the fingerprint acquisition area is lightened due to misoperation, and further the fingerprint is acquired; thereby enabling further saving of power consumption of the mobile terminal.
Referring again to fig. 5, in other embodiments, the step S11 includes:
step S112, scanning and detecting whether the suspension signal which is close to the touch body exists in a fingerprint scanning area in the screen-off state;
the scanning detects whether a fingerprint is acquired, including:
and scanning and detecting whether the fingerprint is acquired in the fingerprint scanning area.
In an embodiment, in the off-screen state, scanning with a first scanning frequency to detect whether the touch object is close includes:
and in the off-screen state, scanning the fingerprint scanning area at a first scanning frequency to detect the floating signal detected by the fingerprint acquisition area.
In other embodiments, the fingerprinting at the second scanning frequency includes:
and scanning the fingerprint acquisition area at a second scanning frequency to acquire fingerprints when the fingerprint acquisition area is lightened.
In the embodiment of the disclosure, the suspension signal can be detected by only scanning the fingerprint scanning area when the suspension signal is detected by the touch screen; or in the ready state of fingerprint acquisition, the fingerprint acquisition area is scanned only to acquire the fingerprint. Therefore, the power consumption can be saved to a certain extent without scanning the whole touch screen through the limitation of the suspension signal or the scanning area for fingerprint acquisition.
In an embodiment, the fingerprint scanning area is larger than the fingerprint acquisition area. Here, in the embodiment of the present disclosure, the scanning area for detecting the floating signal is a scanning area larger than the fingerprint acquisition area; therefore, when the suspension signal is detected, the risk of missing the suspension signal close to the touch screen in detection can be greatly reduced; and when the suspension signal is detected, only some fingerprints really used for unlocking the touch screen are acquired, so that the operation of actually unlocking the touch screen due to false touch can be reduced, and the power consumption of the mobile terminal can be further reduced.
In some embodiments, the method further comprises:
and unlocking and lighting the whole touch screen, and scanning the whole touch screen at a third scanning frequency.
Here, the third scanning frequency is greater than or equal to the second scanning frequency.
In the embodiment of the disclosure, after the whole touch screen is unlocked and lightened, the number of times of the user touching the touch screen is greatly increased, so that the response speed of detecting the number of times of the user touching the touch screen can be increased by increasing the scanning frequency, and the intellectualization and user experience of the device can be improved.
In some embodiments, the method further comprises:
And extinguishing the fingerprint acquisition area if no fingerprint is acquired within the preset time of lighting the fingerprint acquisition area.
In one embodiment, the predetermined time is less than or equal to 10 seconds.
In the embodiment of the disclosure, if no fingerprint is acquired within a predetermined time of lighting the fingerprint acquisition area, the suspension signal may indicate that the suspension signal is a misoperation, or is used for temporarily and not needing to unlock the touch screen. Therefore, by extinguishing the fingerprint acquisition area, the touch screen does not need to acquire fingerprints, and the power consumption of the mobile terminal is reduced; and, through in time extinguishing the touch screen, also can reduce the mobile terminal because of the electric quantity that the continuous illumination fingerprint collection area consumed.
In some embodiments, the method further comprises:
after the fingerprint acquisition area is extinguished, the scanning frequency of each area of the output control screen is returned to the scanning frequency before the fingerprint acquisition area is lighted.
In an embodiment, the sweep frequency before lighting is the first sweep frequency.
Thus, in the embodiment of the disclosure, after the fingerprint acquisition area is extinguished, the mobile terminal can revert to the scanning frequency with lower power consumption to detect the suspension signal and the like, so that the power consumption of the mobile terminal can be saved.
To facilitate understanding of the above-described embodiments of the present disclosure, the following examples are presented herein. FIG. 6 is a diagram illustrating a touch screen unlocking method applied to a mobile terminal according to an exemplary embodiment; as shown in fig. 6, the method comprises the steps of:
step S201: in the screen-off state, turning on a suspension detection function;
optionally, the mobile terminal turns on the suspension detection function of the touch screen in the screen-off state.
Step S202: the touch chip detects a suspension signal;
optionally, when the finger approaches the touch screen, the suspension signal is detected by a touch chip of the mobile terminal.
Step S203: transmitting the suspension signal to an AP end;
optionally, the touch chip of the mobile terminal sends the suspension signal to the AP end;
step S204: the AP endpoint lightens the fingerprint acquisition area and enters a ready state of fingerprint acquisition;
optionally, the AP end of the mobile terminal lights up a fingerprint collection area of the touch screen, and triggers the touch screen to enter a ready state of fingerprint collection.
Here, an icon may be displayed in the fingerprint acquisition area. Here, in response to a touch operation of the user touching the icon, the AP terminal collects a fingerprint of the user.
Step S205: if touch operation of a user is detected, collecting fingerprints;
optionally, when the touch chip of the mobile terminal detects the Xu Na secondary signal, a fingerprint processing process is started; and if the user touch operation is performed in a state that the fingerprint processing process is started, the fingerprint collecting area collects fingerprints.
Step S206: unlocking the touch screen if the collected fingerprint is determined to be legal;
optionally, unlocking the touch screen if the collected fingerprint is identified as a legal fingerprint;
step S207: and lighting the whole touch screen.
Optionally, the application processor of the mobile terminal controls to light the whole touch screen.
In the embodiment of the disclosure, when the touch body does not touch the touch screen yet, the mobile terminal can be awakened in advance through the acquired suspension signal, so that the fingerprint acquisition area of the touch screen can be lightened based on the suspension signal by the mobile terminal. Compared with the prior art, the time for which the finger contacts the touch screen is omitted when the finger contacts the fingerprint acquisition area of the touch screen is required to be lightened until the finger contacts the touch screen, namely, the time for which the finger approaches the touch screen until the finger contacts the touch screen is omitted in the step S202 of the embodiment; thus, fingerprint unlocking time can be reduced.
Moreover, as the fingerprint collection area of the touch screen can be lightened when the suspension signal contacts the touch screen, the touch screen is not required to be contacted by the touch screen to lighten the fingerprint collection area, the touch operation of the touch screen can be reduced once, and therefore the user operation can be simplified and the user experience can be improved.
Fig. 7 is a block diagram illustrating a touch screen unlocking device according to an example embodiment. Referring to fig. 7, the apparatus includes: a detection module 31 and a processing module 32; wherein,
the detection module 31 is configured to scan and detect whether there is a suspension signal that the touch object approaches in a screen-off state;
the processing module 32 enters screen unlocking preparation when detecting the suspension signal indicating that the touch control body is close, and scans and detects whether fingerprints are acquired;
the processing module 32 is further configured to perform an unlocking operation when the fingerprint is acquired.
In some embodiments, the processing module 32 is configured to start a fingerprint processing process when the suspension signal is detected, and perform unlocking preparation to an unlocking ready state.
In some embodiments, the processing module 32 is configured to illuminate a spot of the fingerprint acquisition area when the hover signal is detected; the light spots are used for prompting the position of the fingerprint acquisition area.
In some embodiments, the detection module 31 is configured to scan, in the off-screen state, the suspension signal that is detected whether the touch object is approaching at a first scanning frequency;
the processing module 32 is configured to scan at a second scanning frequency to detect whether a fingerprint is acquired;
the second sweep frequency is higher than the first sweep frequency.
In some embodiments, the detection module 31 is configured to scan, in the off-screen state, whether the suspension signal that the touch object approaches is in the fingerprint scanning area;
the processing module 32 is configured to scan whether a fingerprint is acquired in the fingerprint area.
In some embodiments, the processing module 32 is configured to determine, when the hover signal indicating that the touch object is approaching is detected, whether the hover signal meets a finger hover signal characteristic;
and if the characteristic of the finger suspension signal is met, executing the step of entering screen unlocking preparation and scanning and detecting whether the fingerprint is acquired by the user.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
The embodiment of the disclosure also provides an electronic device, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to: and when the executable instruction is executed, the touch screen unlocking method disclosed by any embodiment of the disclosure is realized.
The memory may include various types of storage media, which are non-transitory computer storage media capable of continuing to memorize information stored thereon after a power down of the communication device.
The processor may be coupled to the memory via a bus or the like for reading an executable program stored on the memory, for example, implementing at least one of the methods shown in fig. 1, 5 or 6.
Embodiments of the present disclosure also provide a computer readable storage medium storing an executable program, where the executable program when executed by a processor implements the touch screen unlocking method according to any embodiment of the present disclosure. For example, at least one of the methods shown in fig. 1, 5 or 6 is implemented.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
Fig. 8 is a block diagram illustrating a mobile terminal 800 according to an exemplary embodiment. For example, the mobile terminal 800 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.
Referring to fig. 8, a mobile terminal 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.
The processing component 802 generally controls overall operation of the mobile terminal 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interactions between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operations at the device 800. Examples of such data include instructions for any application or method operating on the mobile terminal 800, contact data, phonebook data, messages, pictures, videos, and the like. The memory 804 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The power supply component 806 provides power to the various components of the mobile terminal 800. The power supply components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the mobile terminal 800.
The multimedia component 808 includes a screen between the mobile terminal 800 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and/or a rear camera. The front camera and/or the rear camera may receive external multimedia data when the device 800 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the mobile terminal 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 further includes a speaker for outputting audio signals.
The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 814 includes one or more sensors for providing status assessment of various aspects of the mobile terminal 800. For example, the sensor assembly 814 may detect an on/off state of the device 800, a relative positioning of the components, such as a display and keypad of the mobile terminal 800, the sensor assembly 814 may also detect a change in position of the mobile terminal 800 or a component of the mobile terminal 800, the presence or absence of a user's contact with the mobile terminal 800, an orientation or acceleration/deceleration of the mobile terminal 800, and a change in temperature of the mobile terminal 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate communication between the mobile terminal 800 and other devices, either wired or wireless. The mobile terminal 800 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In one exemplary embodiment, the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the mobile terminal 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as memory 804 including instructions executable by processor 820 of mobile terminal 800 to perform the above-described method. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (12)
1. The touch screen unlocking method is characterized by being applied to a mobile terminal comprising a touch screen, and comprises the following steps:
scanning and detecting whether a suspension signal close to the touch body exists or not in a screen-off state; wherein, under the state of turning off the screen, scan detect have the suspension signal that the touch body is close, include: scanning and detecting whether the suspension signal which is close to the touch body exists or not at the first scanning frequency in the screen-off state;
When the suspension signal indicating that the touch control body is close is detected, screen unlocking preparation is carried out, and whether fingerprints are acquired or not is scanned and detected; wherein, whether the scanning detects the fingerprint, includes: scanning and detecting whether fingerprints are acquired or not at a second scanning frequency; the second sweep frequency is higher than the first sweep frequency;
when the fingerprint is acquired, unlocking operation is carried out;
after unlocking and lighting the whole touch screen, scanning the whole touch screen at a third scanning frequency; wherein the third scanning frequency is greater than the second scanning frequency.
2. The method of claim 1, wherein entering screen unlock preparation when the hover signal indicating proximity of the touch pad is detected comprises:
and when the suspension signal is detected, starting a fingerprint processing process, and performing unlocking preparation to an unlocking ready state.
3. The method according to claim 1, wherein the method further comprises:
when the suspension signal is detected, a light spot of the fingerprint acquisition area is lightened; the light spots are used for prompting the position of the fingerprint acquisition area.
4. The method according to claim 1, wherein in the off-screen state, scanning to detect whether there is a floating signal of touch object approach comprises:
Scanning and detecting whether the suspension signal which is close to the touch body exists in a fingerprint scanning area in the screen-off state;
the scanning detects whether a fingerprint is acquired, including:
and scanning and detecting whether the fingerprint is acquired in the fingerprint scanning area.
5. The method according to claim 1, wherein the method further comprises:
when the suspension signal indicating that the touch control body is close is detected, judging whether the suspension signal meets the finger suspension signal characteristic or not;
and executing the step of entering screen unlocking preparation and scanning and detecting whether the fingerprint is acquired or not if the finger suspension signal characteristic is met.
6. The utility model provides a touch screen unlocking device which is characterized in that is applied to the mobile terminal that contains the touch screen, and said device includes:
the detection module scans and detects whether a suspension signal close to the touch body exists or not in a screen-off state; the detection module is specifically configured to scan and detect whether the suspension signal approaching the touch body is present at a first scanning frequency in the screen-off state;
the processing module enters screen unlocking preparation when detecting the suspension signal indicating that the touch control body is close, and scans and detects whether fingerprints are acquired; the processing module is specifically used for scanning and detecting whether fingerprints are acquired or not at a second scanning frequency; the second sweep frequency is higher than the first sweep frequency;
The processing module is also used for unlocking when the fingerprint is acquired; the processing module is specifically configured to scan the entire touch screen at a third scanning frequency after unlocking and lighting the entire touch screen; wherein the third scanning frequency is greater than the second scanning frequency.
7. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
and the processing module is used for starting a fingerprint processing process when the suspension signal is detected, and performing unlocking preparation to an unlocking ready state.
8. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
the processing module is used for lighting the light spot of the fingerprint acquisition area when the suspension signal is detected; the light spots are used for prompting the position of the fingerprint acquisition area.
9. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
the detection module is used for scanning whether the suspension signal which is close to the touch body exists in a fingerprint scanning area in the screen-off state;
the processing module is used for scanning whether the fingerprint is acquired in the fingerprint area.
10. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
The processing module is used for judging whether the suspension signal meets the finger suspension signal characteristic or not when the suspension signal indicating that the touch control body is close is detected;
and if the characteristic of the finger suspension signal is met, executing the step of entering screen unlocking preparation and scanning and detecting whether the fingerprint is acquired by the user.
11. A mobile terminal, the mobile terminal comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to: when used for running the executable instructions, the method for unlocking the touch screen according to any one of claims 1 to 5 is realized.
12. A computer readable storage medium, characterized in that the readable storage medium stores an executable program, wherein the executable program when executed by a processor implements the touch screen unlocking method of any one of claims 1 to 5.
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